package org.argeo.slc.client.ui.dist.model;
   
   import javax.jcr.RepositoryException;
   import javax.jcr.Session;
   
   import org.argeo.jcr.JcrUtils;
   import org.argeo.slc.SlcException;
   
   /**
   * Abstract set of similar workspaces, that is a bunch of workspaces with same
   * prefix.
   */
  public class WkspGroupElem extends DistParentElem {
  
  	private Session defaultSession;
  
  	public WkspGroupElem(RepoElem repoElem, String prefix) {
  		super(prefix, repoElem.inHome(), repoElem.isReadOnly());
  		setParent(repoElem);
  		// Directly adds children upon creation
  		try {
  			defaultSession = repoElem.repositoryLogin(null);
  			String[] wkpNames = defaultSession.getWorkspace()
  					.getAccessibleWorkspaceNames();
  			for (String wkpName : wkpNames) {
  				if (prefix.equals(getPrefix(wkpName))
  				// if (wkpName.startsWith(prefix)
  						&& repoElem.isWorkspaceVisible(wkpName))
  					addChild(new WorkspaceElem(WkspGroupElem.this, repoElem,
  							wkpName));
  			}
  		} catch (RepositoryException e) {
  			throw new SlcException("Cannot retrieve workspace names", e);
  		}
  	}
  
  	// FIXME - we rely on a "hard coded" convention : Workspace name must have
  	// this format: name-major.minor
  	// We might expose this method as static public, to be used among others by
  	// the RepoElem parent objects when building its children
  	private String getPrefix(String workspaceName) {
  		if (workspaceName.lastIndexOf(VERSION_SEP) > 0)
  			return workspaceName.substring(0,
  					workspaceName.lastIndexOf(VERSION_SEP));
  		else
  			return workspaceName;
  	}
  
  	public void dispose() {
  		JcrUtils.logoutQuietly(defaultSession);
  		super.dispose();
  	}
  }